InstanceGroupConfig(mapping=None, *, ignore_unknown_fields=False, **kwargs)
The config settings for Compute Engine resources in an instance group, such as a master or worker group.
Attributes | |
---|---|
Name | Description |
num_ |
int
Optional. The number of VM instances in the instance group. For `HA cluster `__ master_ __ groups, **must be
set to 3**. For standard cluster
master_ __ groups, **must be
set to 1**.
|
instance_ |
Sequence[str]
Output only. The list of instance names. Dataproc derives the names from cluster_ , num_ , and the
instance group.
|
image_ |
str
Optional. The Compute Engine image resource used for cluster instances. The URI can represent an image or image family. Image examples: - https:/
- projects/
- image-id
Image family examples. Dataproc will use the most recent
image from the family:
- https:/
- projects/
If the URI is unspecified, it will be inferred from
SoftwareConfig. or the system default.
|
machine_ |
str
Optional. The Compute Engine machine type used for cluster instances. A full URL, partial URI, or short name are valid. Examples: - https:/
- projects/
- n1-standard-2
**Auto Zone Exception**: If you are using the Dataproc `Auto
Zone
Placement |
disk_ |
google.
Optional. Disk option config settings. |
is_ |
bool
Output only. Specifies that this instance group contains preemptible instances. |
preemptibility |
google.
Optional. Specifies the preemptibility of the instance group. The default value for master and worker groups is NON_ . This default cannot be changed.
The default value for secondary instances is
PREEMPTIBLE .
|
managed_ |
google.
Output only. The config for Compute Engine Instance Group Manager that manages this group. This is only used for preemptible instance groups. |
accelerators |
Sequence[google.cloud.dataproc_v1.types.AcceleratorConfig]
Optional. The Compute Engine accelerator configuration for these instances. |
min_cpu_platform |
str
Optional. Specifies the minimum cpu platform for the Instance Group. See `Dataproc -> Minimum CPU Platform |
Classes
Preemptibility
Preemptibility(value)
Controls the use of preemptible instances within the group.